Remove checkout and qemu from the merge job.

Author: jblueh

.github/workflows/docker-image-upload.yml

@@ -85,14 +85,6 @@ jobs:
     if: ${{ always() && !(contains(needs.*.result, 'failure')) }}
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-        with:
-          platforms: arm64
-
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1